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Finding the Fourth Proportional to 442,043.93, 663,070.52 and 353,858.01

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Solution

The fourth proportional to 442,043.93, 663,070.52 and 353,858.01 is: 530,790.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,043.93 : 663,070.52 = 353,858.01 : x
  2. Step 2: Convert to fraction form
    442,043.93/663,070.52 = 353,858.01/x
  3. Step 3: Cross multiply
    442,043.93x = 663,070.52 × 353,858.01
  4. Step 4: Simplify right side
    442,043.93x = 234,632,814,585.25
  5. Step 5: Solve for x
    x = 234,632,814,585.25/442,043.93
  6. Step 6: Final answer
    x = 530,790.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.